You’d better take something to read when you go to see the doctor _______ you have to wait.
We _____ to move but are still considering where to go to.
You _____ your turn so you’ll have to wait.
_____ for five minutes; why don’t they come?
It’s good that we _____ to the park because it’s started to rain.
Look at that little boy wandering about — perhaps he _____ his mother.